/* 购物车 */
#shopcar{
    width: 100%;
    margin:50px auto;
    text-align: center;
}
#shopcar th{
    background-color: #eee;
    padding:10px 0; 
}
#shopcar tbody tr{
    border-bottom:1px solid #ccc;
    
}
#shopcar tbody tr span{
    display: inline-block;
    width: 20px;
    height:20px;
    border:1px solid #ccc;
    font-size: 14px;
    user-select: none;
    cursor: pointer;
}
#shopcar tbody tr .num{
    width: 50px;
    height: 20px;
    border:none;
    border-top:1px solid #ccc;
    border-bottom:1px solid #ccc;
    outline: none;
    text-align: center;
}
#shopcar tfoot tr td{
    background-color: #eee;
    padding:10px 0; 
}